Cutting a Subdivision Surface by an Edge

This task shows you how to cut a subdivision surface by one or more edges to modify the existing mesh or create sub-parts of the mesh.

Create a 3D shape containing a subdivision surface.

1. Select the subdivision surface.

2. Click Cut by Edges in the Styling Surfaces toolbar.

   You can also access this command by pressing ALT+SHIFT+J.

   A Tools Palette is displayed:

   The following icons let you:

   Previous Result: choose the part to keep (previous solution). Next Result: choose the part to keep (next solution). Face Selection, Edge Selection: selects a face, or edge as the border to cut. Propagation: propagates the selection to all the free edges. New Feature Mode : Only modifies the mesh. The original mesh is not kept. : Creates one mesh in the specification tree. : Creates all the meshes in the specification tree. Apply (Enter): apply the command.

3. Click Edge Selection and select one or more edges.

4. Click Propagation to propagate the selection to all the free edges.
   It is only available with Edge Selection.

   
   A solution is previewed:
   

   You can click Next Result to visualize the other possible solution:

5. Click Apply (Enter) to apply changes.

   In the Modification toolbar, click Multi-Selection to validate the current operation and select the next surface to cut without exiting the Cut by Edges command. You can also press Ctrl +Space to validate the current operation and select the next surface to cut.